OMIA:000631-9796 : Megaoesophagus, generic in Equus caballus (horse)

In other species: dog , domestic ferret , domestic cat , llama , taurine cattle , goat , sheep

Categories: Digestive / alimentary phene

Links to MONDO diseases: No links.

Mendelian trait/disorder: unknown

Considered a defect: yes

Cross-species summary: Dilatation and atony of the body of the oesophagus, usually associated with asynchronous function of the oesophagus and the caudal oesophageal sphincter. Causes regurgitation and aspiration pneumonia. This disorder occurs in many different forms, many of which are not inherited.

Genetic engineering: Unknown
Have human generated variants been created, e.g. through genetic engineering and gene editing

Cite this entry

Nicholas, F. W., Tammen, I., & Sydney Informatics Hub. (2013). OMIA:000631-9796: Online Mendelian Inheritance in Animals (OMIA) [dataset].


Note: the references are listed in reverse chronological order (from the most recent year to the earliest year), and alphabetically by first author within a year.

2013 Komine, M., Langohr, I.M., Kiupel, M. :
Megaesophagus in Friesian Horses Associated With Muscular Hypertrophy of the Caudal Esophagus. Vet Pathol , 2013. Pubmed reference: 24227010. DOI: 10.1177/0300985813511126.
2002 Broekman, L.E., Kuiper, D. :
Megaesophagus in the horse. A short review of the literature and 18 own cases. Vet Q 24:199-202, 2002. Pubmed reference: 12540136. DOI: 10.1080/01652176.2002.9695136.
1988 Murray, M.J., Ball, M.M., Parker, G.A. :
Megaesophagus and aspiration pneumonia secondary to gastric ulceration in a foal. J Am Vet Med Assoc 192:381-3, 1988. Pubmed reference: 3356580.
1978 Bowman, K.F., Vaughan, J.T., Quick, C.B., Hankes, G.H., Redding, R.W., Purohit, R.C., Rumph, P.F., Powers, R.D., Harper, N.K. :
Megaesophagus in a colt. J Am Vet Med Assoc 172:334-7, 1978. Pubmed reference: 563860.

Edit History

  • Created by Frank Nicholas on 26 Nov 2013